Table 3.
LSR-based gas concentration estimates.
| CH4 | CO | ||||
|---|---|---|---|---|---|
| Injected (ppm) | LSR Estimate (ppm) | Accuracy (%) | Injected (ppm) | LSR Estimate (ppm) | Accuracy (%) |
| 50 | 51.3 | 97.3 | 10 | 10.4 | 95.8 |
| 100 | 102.0 | 97.9 | 20 | 21.1 | 94.7 |
| 150 | 156.0 | 95.9 | 30 | 28.9 | 96.6 |
| 200 | 193.0 | 96.5 | 40 | 37.7 | 94.4 |
| 250 | 241.9 | 96.7 | 50 | 47.9 | 95.9 |
| 300 | 313.3 | 95.5 | 60 | 61.9 | 96.6 |
| 350 | 358.1 | 97.7 | 70 | 68.0 | 97.1 |
| 400 | 409.5 | 97.6 | 80 | 81.3 | 98.3 |
| 450 | 455.9 | 98.7 | 90 | 91.9 | 97.7 |
| 500 | 490.9 | 98.2 | 100 | 102.0 | 98.0 |
| 550 | 555.1 | 99.1 | 110 | 108.3 | 98.4 |
| 600 | 611.0 | 98.1 | 120 | 118.9 | 99.1 |
| 650 | 650.0 | 100.0 | 130 | 131.9 | 98.4 |
| 700 | 699.7 | 99.9 | 140 | 137.9 | 98.5 |
| 750 | 750.1 | 99.9 | 150 | 151.7 | 98.8 |
| 800 | 795.9 | 99.4 | 160 | 162.8 | 98.1 |
| 850 | 850.1 | 99.9 | 170 | 167.8 | 98.7 |
| 900 | 899.9 | 99.9 | 180 | 185.5 | 96.9 |
| 950 | 946.9 | 99.6 | 190 | 193.8 | 97.9 |
| 1000 | 1002.9 | 99.7 | 200 | 197.8 | 98.9 |